Method of adding cohabitants: Open the instant class applet → use it for the first time, you need to log in first → authenticate your real name → enter the main page of Hebei Health Code → click the button → click the button "Add" → enter your surname and ID number, select "affiliation (parents, spouse, children)", and take photos to upload the front photo or ID card.
Health codes are based on actual data and can be generated by citizens or people who have returned to work through online declaration and background audit. As an individual entering and leaving electronic certificate locally, the QR code can be declared once, which is universal in the whole city. The introduction of the health code aims to make the work of returning to work more accurate, scientific and orderly.